21949750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{4621}}^1$

素因数の和:4657

約数の個数: 32

約数和(自身を含む): 43261920

約数和(自身を除く): 21312170

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4621, 4750, 9242, 23105, 46210, 87799, 115525, 175598, 231050, 438995, 577625, 877990, 1155250, 2194975, 4389950, 10974875, 21949750]

約数ペア:

[(1, 21949750), (2, 10974875), (5, 4389950), (10, 2194975), (19, 1155250), (25, 877990), (38, 577625), (50, 438995), (95, 231050), (125, 175598), (190, 115525), (250, 87799), (475, 46210), (950, 23105), (2375, 9242), (4621, 4750)]